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[DOCX File]Insert Title - University of Phoenix
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The result of applying 2NF to the field names in the 1NF column is typically groups split apart into smaller groups with additional (and repeated) keys. ... If the 3NF column contains groups of fields related to students, classes, and teachers, sensible entity names might be Student, Class, and Teacher. Because each entity will eventually be ...
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[DOC File]Instructors Guide
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The result is creation of a new relation called PropertyOwner (2NF) and a relation called Rental, which is in 3NF. The PropertyOwner (2NF) relation is converted to 3NF with the removal of a transitive dependency. The result is the creation of a new relation called PropertyForRent (3NF) and Owner (3NF).
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[DOC File]Normalization
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The first three stages are described as first normal form (1NF), second normal form (2NF) and third normal form (3NF). From a structural point of view, 2NF is better than 1NF and 3NF is better than 2NF. Denormalization: Produces a lower normal form, which is a 3NF will be converted to a 2NF through denormalization.
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[DOC File]1
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Edgar F. Codd originally defined the first three normal forms (1NF, 2NF, and 3NF). These Normal Forms have been summarized as requiring that all non-key attributes be dependent on "the key, the whole key and nothing but the key". A table is in first normal form (1NF) if and only if it represents a relation. Given that database tables embody a ...
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[DOC File]Quizz1 - SUNY Oswego
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1NF. 2NF. 3NF. 4NF. The coding, testing, and debugging are part of the (check only one): planning phase. analysis phase. implementation phase. design phase. A design must match relevant user requirements, which are based on the proposed level of …
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[DOC File]First Normal Form (1NF)
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Normalizing Your Database: Third Normal Form (3NF) Welcome to the fourth of five articles on database normalization! Over the past two months, we've explored the basic principles of database normalization as well as the specific requirements of first normal form (1NF) and second normal form (2NF).
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1- Informal Design Guidelines¬¬ for Relation Schemas
what is different between 1NF, 2NF, 3NF. and we will discuss some of algorithms Through them you can but the relation in 1NF, 2NF, 3NF and you can …
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[DOC File]Normal forms
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Achieving the "higher" normal forms (above 3NF) does not usually require an extra expenditure of effort on the part of the designer, because 3NF tables usually need no modification to meet the requirements of these higher normal forms. Edgar F. Codd. originally defined the first three normal forms (1NF, 2NF, and 3NF).
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[DOC File]Weebly
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Then state in which normal form (1NF, 2NF, 3NF or BCNF) each of the existing tables is, and why. Assume that there is one telephone number per address. For each table that doesn’t fulfill the requirements for BCNF, explain the problems that this lack of normalization has and their potential consequences.
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[DOCX File]1NF, 2NF, 3NF and BCNF in Database Normalization
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This form deals with certain type of anamoly that is not handled by 3NF. A 3NF table which does not have multiple overlapping candidate keys is said to be in BCNF. Author: HP-DM4 Created Date: 12/09/2013 11:24:00 Title: 1NF, 2NF, 3NF and …
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